[src/trunk]: src/sys/arch/hp700/include Add aliasing defines for PA2.0 cpus.

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/550cb60edb2c
branches:  trunk
changeset: 752149:550cb60edb2c
user:      skrll <skrll%NetBSD.org@localhost>
date:      Wed Feb 17 11:14:10 2010 +0000

description:
Add aliasing defines for PA2.0 cpus.

They will cause unnecessary non-equiv alias handling on PA1.x machines if
PA2.0 cpu support is compiled into the kernel.  GENERIC currently doesn't
have this support enabled.

The performance hit of this needs testing.

diffstat:

 sys/arch/hp700/include/cpu.h |  11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r cfcbbce119a0 -r 550cb60edb2c sys/arch/hp700/include/cpu.h
--- a/sys/arch/hp700/include/cpu.h      Wed Feb 17 10:03:30 2010 +0000
+++ b/sys/arch/hp700/include/cpu.h      Wed Feb 17 11:14:10 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu.h,v 1.34 2009/06/03 21:08:51 skrll Exp $   */
+/*     $NetBSD: cpu.h,v 1.35 2010/02/17 11:14:10 skrll Exp $   */
 
 /*     $OpenBSD: cpu.h,v 1.55 2008/07/23 17:39:35 kettenis Exp $       */
 
@@ -152,10 +152,17 @@
  * definitions of cpu-dependent requirements
  * referenced in generic code
  */
-
+#if defined(HP8000_CPU) || defined(HP8200_CPU) || \
+    defined(HP8500_CPU) || defined(HP8600_CPU)
+#define        HPPA_PGALIAS    0x00400000
+#define        HPPA_PGAMASK    0xffc00000
+#define        HPPA_PGAOFF     0x003fffff
+#else
 #define        HPPA_PGALIAS    0x00100000
 #define        HPPA_PGAMASK    0xfff00000
 #define        HPPA_PGAOFF     0x000fffff
+#endif
+
 #define        HPPA_SPAMASK    0xf0f0f000
 
 #define        HPPA_IOSPACE    0xf0000000